From: Shawn Guo <shawn.guo@linaro.org>
To: Huang Shijie <b32955@freescale.com>
Cc: gregkh@linuxfoundation.org, alan@linux.intel.com,
linux-serial@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] serial: mxs-auart: put the device when exit or error
Date: Fri, 7 Sep 2012 11:14:19 +0800 [thread overview]
Message-ID: <20120907031416.GJ26709@S2101-09.ap.freescale.net> (raw)
In-Reply-To: <1346985187-30459-1-git-send-email-b32955@freescale.com>
On Fri, Sep 07, 2012 at 10:33:07AM +0800, Huang Shijie wrote:
> We call the get_device() in the mxs_auart_probe().
> For the balance of the reference count, we should put the
> device in the mxs_auart_remove() or in the error path of
> probe.
>
> Signed-off-by: Huang Shijie <b32955@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
> ---
> drivers/tty/serial/mxs-auart.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
> index 3a667ee..203e512 100644
> --- a/drivers/tty/serial/mxs-auart.c
> +++ b/drivers/tty/serial/mxs-auart.c
> @@ -781,6 +781,7 @@ out_free_irq:
> auart_port[pdev->id] = NULL;
> free_irq(s->irq, s);
> out_free_clk:
> + put_device(s->dev);
> clk_put(s->clk);
> out_free:
> kfree(s);
> @@ -796,6 +797,7 @@ static int __devexit mxs_auart_remove(struct platform_device *pdev)
>
> auart_port[pdev->id] = NULL;
>
> + put_device(s->dev);
> clk_put(s->clk);
> free_irq(s->irq, s);
> kfree(s);
> --
> 1.7.0.4
>
>
next prev parent reply other threads:[~2012-09-07 3:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-07 2:38 [PATCH 1/2] serial: mxs-auart: fix the wrong setting order Huang Shijie
2012-09-07 2:38 ` [PATCH 2/2] serial: mxs-auart: put the device in mxs_auart_probe() Huang Shijie
2012-09-07 2:43 ` Shawn Guo
2012-09-07 2:33 ` [PATCH] serial: mxs-auart: put the device when exit or error Huang Shijie
2012-09-07 3:14 ` Shawn Guo [this message]
2012-09-10 23:00 ` Greg KH
2012-09-07 2:48 ` [PATCH 2/2] serial: mxs-auart: put the device in mxs_auart_probe() Huang Shijie
2012-09-07 2:38 ` [PATCH 1/2] serial: mxs-auart: fix the wrong setting order Shawn Guo
2012-09-07 2:43 ` Huang Shijie
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